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| Semitronics Description: The CT222ADM is an isolated dual photovoltaic MOSFET driver used when a high degree of electrical isolation is required. The driver can isolate the MOSFET from more sensitive control circuitry and enable the source and drain connections to reach any potential within the range of the isolation voltage. High photo efficiency produces fast turn on. A low off state impedance insures fast turn off and immunity from dv/dt when the MOSFET is in the off state. The CT222ADM is packaged in an 8 pin hermetically sealed ceramic dip and is designed for high reliability applications. Photovoltaic MOSFET Drivers CT222ADM Dual MOSFET Driver Active Discharge Pin Connections CT222ADM A_LED+ 1 AD 8 A_OUT- A_LED- 2 7 A_OUT+ B_LED+ 3 AD 6 B_OUT- B_LED- 4 5 B_OUT+ Features * * * * * Active Gate Discharge Circuitry Optical Isolation High Isolation Voltage Dual Independent Channels Wide Operating Temperature Range Applications * * * * * Gate Drive Power MOSFETS Solid State Relays Process Controls Switching Power Supplies DC Motor Control Mechanical Dimensions CT222ADM Semitronics, 64 Commercial St. Freeport, NY 11520 Tel (516) 623-9400 / Fax (516) 623-6954 Pg. 1 of 1 Semitronics Parameter Led Forward Current Led Forward Current Led Reverse Voltage Output Voltage Output Current Operating Temperature Storage Temperature Isolation Voltage Photovoltaic MOSFET Drivers CT222ADM Absolute Maximum Ratings (Per Channel, Tc= -55C to +125C unless otherwise specified) Condition Steady State Peak, 10% Duty Cycle Reverse Current = -10 iA Open Circuit Led Current = 50 mA Rating 50 75 5 18 75 -55 to 125 -55 to 150 1000 Units mA mA V V iA C C V Electrical Characteristics (Per Channel) Parameter Short Circuit Current Symbol ISC Test Conditions LED Current = 10 mA, Vo = 0 V LED Current = 20 mA, Vo = 0 V LED Current = 30 mA, Vo = 0 V LED Current = 10 mA LED Current = 20 mA LED Current = 30 mA LED Current = 20 mA VR = -5.0 V LED Current = 0.0 mA, Io = -10 A VIN to VOUT = 100V Min 10 20 30 13.0 13.5 14.0 -5.0 2500 100k Typ 15 25 40 14.0 14.5 15.0 1.3 -0.1 0.65 Max Units A Open Circuit Voltage LED Forward Voltage LED Reverse Current Off State Voltage Isolation Voltage Isolation Voltage VOC VF(LED) IR(LED) V(OFF) V(ISO) R(ISO) V 1.5 0.85 V A V VDC MU 18 Vout (Volts) 16 14 12 10 8 -55C -25C 0C 25C 50C 75C 100C 125C Semitronics, 64 Commercial St. Freeport, NY 11520 Tel (516) 623-9400 / Fax (516) 623-6954 Pg. 2 of 2 |
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